Date: Fri, 26 Apr 1996 08:44:53 -0500 (CDT) From: Guy Helmer <ghelmer@alpha.dsu.edu> To: security@freebsd.org Subject: ptrace vulnerability, was: Something fishy with our PT_ATTACH code! Message-ID: <Pine.OSF.3.93.960426083930.839B-100000@alpha.dsu.edu> In-Reply-To: <29493.830512651@time.cdrom.com>
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On Fri, 26 Apr 1996, Jordan K. Hubbard wrote: > Just got back from Kirk's usual Thursday-night OS class and while we > were going through exit1(), I noticed something that looked a little > odd in the ptrace "reattach" code. In following it (and it later > turned out to be correct), I happened to notice the following weird > behavior with attach and detach: [...] That reminds me, did BSDI release any information/patches regarding the ptrace vulnerabilitiy (CERT VB-96.04.bsdi)? I assume the 4.4BSD-derived systems had the same ptrace code... Guy Helmer, Dakota State University Computing Services - ghelmer@alpha.dsu.edu
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